1052251205 has 8 divisors (see below), whose sum is σ = 1264290552. Its totient is φ = 840741568.

The previous prime is 1052251157. The next prime is 1052251223. The reversal of 1052251205 is 5021522501.

It can be written as a sum of positive squares in 4 ways, for example, as 57668836 + 994582369 = 7594^2 + 31537^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1052251205 - 2²⁰ = 1051202629 is a prime.

It is a super-2 number, since 2×1052251205² = 2214465196847904050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128042 + ... + 136011.

It is an arithmetic number, because the mean of its divisors is an integer number (158036319).

Almost surely, 2^1052251205 is an apocalyptic number.

It is an amenable number.

1052251205 is a deficient number, since it is larger than the sum of its proper divisors (212039347).

1052251205 is an equidigital number, since it uses as much as digits as its factorization.

1052251205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264855.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 1052251205 is about 32438.4217402758. The cubic root of 1052251205 is about 1017.1222245168.

Adding to 1052251205 its reverse (5021522501), we get a palindrome (6073773706).

The spelling of 1052251205 in words is "one billion, fifty-two million, two hundred fifty-one thousand, two hundred five".